/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 *
 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
 */
#include <logicalaccess/plugins/crypto/tomcrypt.h>

/**
  @file crypt_find_cipher_id.c
  Find cipher by ID, Tom St Denis
  */

/**
   Find a cipher by ID number
   @param ID    The ID (not same as index) of the cipher to find
   @return >= 0 if found, -1 if not present
   */
int find_cipher_id(unsigned char ID)
{
    LTC_MUTEX_LOCK(&ltc_cipher_mutex);
    for (int x = 0; x < TAB_SIZE; x++)
    {
        if (cipher_descriptor[x].ID == ID)
        {
            x = (cipher_descriptor[x].name == nullptr) ? -1 : x;
            LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
            return x;
        }
    }
    LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
    return -1;
}

/* $Source$ */
/* $Revision$ */
/* $Date$ */